Yonathan Grunewald (@yonigrin) profile picture

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Jerusalem
Joined July 2011
Photo by Yonathan Grunewald (@yonigrin)Photo by Yonathan Grunewald (@yonigrin)Photo by Yonathan Grunewald (@yonigrin)Photo by Yonathan Grunewald (@yonigrin)Photo by Yonathan Grunewald (@yonigrin)Photo by Yonathan Grunewald (@yonigrin)Photo by Yonathan Grunewald (@yonigrin)Photo by Yonathan Grunewald (@yonigrin)Photo by Yonathan Grunewald (@yonigrin)Photo by Yonathan Grunewald (@yonigrin)
BREAKING: MOSSAD ATTEMPTED MURDER IN NEW YORK That's right. A man named AHMAD MOSSAD has been charged with attempted murder for setting another man on fire in Times Square on March 16, 2025 using gasoline from his food cart leaving the victim in a coma for weeks. Finally you can all say "it was Mossad"
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Yonathan Grunewald retweeted
👋 Folks, I'm super excited to announce the launch of the Microsoft Zero Trust Assessment! I've been working on this project for the past year at Microsoft with an extended team including our security researchers, product feature teams and docs Here's what it does 🧵👇
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Yonathan Grunewald retweeted
Over the weekend I wrote an ADSecurity.org article on "How to Improve Entra ID Security More Quickly" based on my recent @BSides_NoVA talk. This covers important areas including user & guest user configuration, Entra ID roles, admin protections, application permissions, conditional access policies, etc. adsecurity.org/?p=4825
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Yonathan Grunewald retweeted
New Executive Offense Newsletter - Building AI Hackbots, Hard-Earned Lessons Pt 1 (and course giveaway) executiveoffense.beehiiv.com… Giveaway: Retweet this post and be entered to win a seat in Q4s courses! ("Red Blue Purple AI" or "Attacking AI") Three winners will be chosen next Friday!
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Yonathan Grunewald retweeted
Highly recommend everyone read the latest @MsftSecIntel blog, especially if you are involved in identity or cloud security. It details how threat actors can pivot between both your on-premises and cloud identity planes and cause destruction across both. Without proper guardrails and controls, should on-premises AD be compromised, Entra is likely not far behind. After taking control of both environments, actors then leverage native tools in the cloud to launch cloud-based ransomware attacks, in addition to traditional on-premises ransomware. microsoft.com/en-us/security…
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Yonathan Grunewald retweeted
There are a ton of new 🛠️ tools ⚒️ in this post and I'm sure we missed a ton more. Let us know if your favorite was left out so we can include it next week in the "New to me" section! blog.badsectorlabs.com/last-…
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🚨 **CYBERSECURITY GIVEAWAY TIME** 🚨 Win **LIFETIME ACCESS** to the *Endless Bundle* 💥 All my current + future hacking courses 💥 XSS, IDOR, Burp Suite, BAC & more 💥 260+ lessons, private Discord, realistic labs 💥 Exclusive access to giveaways of merch, vouchers, and so much more... 💥 Forever yours — no catch. To enter: ✅ Follow me ✅ Like & RT ✅ Comment your favorite vulnerability ⏳ Ends July 26th at 23:59 CEST 📆 Winner announced July 27th 🧠 Want the bundle NOW with 85% OFF? 👉 thexssrat.podia.com/full-hou… #bugbounty #infosec #giveaway
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חובת צפייה - מונולוג נוקב של הרב יעקב מדן, ראש ישיבת גוש עציון ואבא של גיבור ישראל אלישע מדן, בשיחה הבוקר עם סטודנטים חרדים (שלו״צ, העברית)
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Yonathan Grunewald retweeted
Another update to the #DefenderForIdentity PowerShell module, with new capabilities and a few bug fixes learn.microsoft.com/en-us/de… #DefenderXDR #ITDR
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Yonathan Grunewald retweeted
Power Your Research with Data. BioloGPT provides in-depth biology insights, complete with citations and graphs. Elevate your work. 🔗 biologpt.com
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Yonathan Grunewald retweeted
CISA updates ScubaGear Tool to strengthen your Microsoft 365 security! As Microsoft tenants grow, so do the complexities of ensuring excellent security measures. With many admin centers and configurations to manage, maintaining a security baseline can be a difficult task. The answer? ScubaGear Tool by @CISAgov. ScubaGear is an assessment tool that verifies that a Microsoft 365 (M365) tenant's configuration conforms to the policies described in the Secure Cloud Business Applications (SCuBA) Security Configuration Baseline documents. After it analyzes your Microsoft tenant, it creates a recommendation report for the following products: - Microsoft Defender for Office 365 - Microsoft Entra ID - Microsoft Exchange Online - Microsoft SharePoint and OneDrive for Business - Microsoft Power BI - Microsoft Power Platform - Microsoft Teams Learn more about how to use it in your organization: alitajran.com/microsoft-365-… The CISA team provides this script with new features and bug fixes so you will be up to date with the latest security changes to protect your Microsoft 365 organization. Best of all, it's completely FREE! Stay secure. #Microsoft365 #EntraID #CISA #Cybersecurity #PowerShell #SecurityAudit
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Yonathan Grunewald retweeted
אז איך חוקר שטח מבוגר יכול לסייע למפקדים בכירים בצה״ל? סעיף הקרקע הוא אולי החשוב ביותר בהערכת המצב המבצעית. אבל לא רבים המפקדים שיודעים לנתח את הקרקע לעומק. לעתים הקרקע ידועה, אבל התפקידים בצבא קצרים ושימור הידע ההיסטורי לוקה בחסר. אדם שמכיר את הקרקע לעומק מביא ערך מוסף מבצעי >>
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أمة أبطالها ليسوا غزاة الفضاء أو العلماء أو المخترعين أو حاملي جوائز نوبل في الفيزياء أو الكيمياء أو مخترعي أدوية وعلاجات للأمراض المزمنة أو مخترعي التكنولوجيا أمة أبطالها هم بن لادن والظواهري والزرقاوي والبغدادي وصدام حسين وحسن نصر الله وإسماعيل هنية والسنوار، إنجازاتهم أنهم رجال قتل وسفك دماء، آخرهم مات ماسكا قطعة خشب يهش بها على طائرة درون فاعتبروه إنجازا، يا لعظمة هذا البطل الذي رمى خشبة على الدرون بيده اليسرى وهو ينتظر لحظة الموت وسط الركام! غفروا له أنه تسبّب في قتل الآلاف وتشريد الملايين وفي اندلاع حرب تأكل الأخضر واليابس، غفروا له أنه دمر بلده وترك مواطنيه أمام ويلات الحرب وفر مختبئا لمدة عام، غفروا له كل ذلك لأنه رمى عصى على الدرون، جعلوها عصى موسى التي فلق بها البحر! أمةً أفلست لم تجد أبطالا يحققوا لها الإنجازات على أرض الواقع فيقتدي بهم الشباب في طموحهم ونجاحهم، وجدوا فقط دعاة القتل والإرهاب، يصلون عليهم صلاة الغائب ويجعلون لهم مجسمات، بمباركة الجزيرة القطرية التي لا يتطوع أي قطري بنفسه ليكون مراسلا لها في ساحات الحرب، ولا يتطوع أي قطري بسببها لكي يحمل سلاحا ليحرر الأقصى الذي يردوون شعاراته، أمة لعبت بها الجزيرة وخدرتها، ضحكوا عليها ووجهوها إلى القتل والدمار، عوض أن يوجهوها إلى الإنجازات والنجاح! هذه الأمة تحتضر، تحتضر أمام أعيننا تبحث عن قائد، عن منقذ، عن بطل، بطل يقودها إلى بر الأمان لكنها لم تجد سوى حسن والسنوار!
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Yonathan Grunewald retweeted
.@antonioguterres @UNIFIL_ You can't claim you didn't know. You knew all about what Hezbollah was doing: the invasion tunnels under the border, embedding missiles in homes, violating Resolution 1701 and the Geneva Conventions. We told you everything. Yet you did nothing.
Six years ago, we told the UN: - Hezbollah was digging tunnels to invade Israel, kidnap & attack Israeli civilians, capture Israeli territory - Embedding missiles in civilian homes is war crime under Geneva Conventions - UNIFIL must enforce Resolution 1701 They. Did. Nothing.
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Yonathan Grunewald retweeted
Curious about how the #primaryGroupID can turn into an attack vector in #ActiveDirectory? Security Consultant Brandon Colley (@TechBrandon) shares some insights about this attribute in his article, "Primary Group Behavior, Reporting, and Exploitation." hubs.ly/Q02Pm5S90
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Yonathan Grunewald retweeted
Interested in some instructor led training covering the Azure security AZ-500 content? Thanks to a combination of Microsoft staff and our MCTs a collection of 17 videos is now available for free for you to get across the content - learn.microsoft.com/en-us/sh…
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Yonathan Grunewald retweeted
I almost never share company stuff on here, but the one and only @dougsbaker will be giving a free Masterclass on Conditional Access next week that I think many will find helpful :) I get to learn a lot from Doug and now you can too :p Register here: patriotconsulting.eventbuild…
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